Suppose a 95 confidence interval for turns out to be (1,000 . 2,100). What does it mean to be 95 confident?
a. In repeated sampling, the population parameter would fall in the resulting interval 95 of the time.
b. 95 of the observations in the entire population fall in the given interval.
c. 95 of the observations in the sample fall in the given interval.
d. None of these choices.
Question 2
For a multiple regression model, the total variation in y can be expressed as:
a. SSE - SSR. c. SSR + SSE.
b. SSR - SSE. d. SSR / SSE.
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